In June, ConvergEx’s Nick Colas sized up the legal recreational marijuana market in Colorado by surveying several storeowners and their employees. Today he offers an update after circling back with these sources to get a grasp on the business 10 months into its legal tenure. On the whole, Colas notes that the marijuana business continues to be robust: stores are still seeing about 100-300 customers a day, who are still spending $50 to $100 per transaction.